"[There was] lots of fingers and poking and grabbing, which is not what you see when you see a film of TSA agents searching women, when you see the flat hand, you see them running real quick lines around things to make sure there's nothing hidden," she told Fox News. "On the outside of my pants [the agent] cupped my crotch," Steenhoek told CBS Denver.

Steenhoek told Fox News she was patted down a total of three times.

The Denver Police Department has opened a sexual assault investigation into the incident, CBS Denver reports. TSA spokesman Ross Feinstein told The Huffington Post the TSA is also investigating.

"When a passenger alarms for explosive residue, TSA takes steps to resolve the alarm. Complaints about procedures are taken very seriously, thoroughly investigated, and appropriate action taken, if warranted," Feinstein told HuffPost via email. "TSA strives to provide the highest level of security while ensuring that all passengers are treated with dignity and respect. We work to make our screening procedures as minimally invasive as possible while providing the level of security that the American people want and deserve."